Mercedes-Benz sign (cholelithiasis)
Citation, DOI & case data
65-year-old woman with suspected left nephritic colic. Incidental finding.
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Multiple calcifications in right hypochondrium, with radiolucent edge and radiolucent center, polygonal morphology.
Magnified image: some of these calcifications have a linear distribution, similar to the logo of a well-known global automobile brand. This finding is more evident in the lithiasis localized in the upper right corner of the image.
Although the sign of the Mercedes-Benz is a sign initially described in conventional radiography, most of the images available today are by CT.
In this patient we show the classic appearance in radiography, although it is a inconstant finding in cholelithiasis and its meaning is more anecdotal than clinically relevant.